21480082

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{2081}}^1$

素因数の和:2493

約数の個数: 16

約数和(自身を含む): 34802712

約数和(自身を除く): 13322630

約数列:

[1, 2, 13, 26, 397, 794, 2081, 4162, 5161, 10322, 27053, 54106, 826157, 1652314, 10740041, 21480082]

約数ペア:

[(1, 21480082), (2, 10740041), (13, 1652314), (26, 826157), (397, 54106), (794, 27053), (2081, 10322), (4162, 5161)]